Seattle, WA weather in September 1963

Temperature for September 1963

In September 1963 the average high temperature in Seattle, WA was 75.2°F, and this was 3.7°F warmer than the average of 71.5°F. The hottest day in September 1963 was 9 September when the temperature reached 89.4°F. Overnight the average temperature in September is 51.3°F and in 1963 the average overnight temperature was 2.5°F warmer at 53.9°F.

Precipitation for September 1963

In September the average monthly rainfall in Seattle, WA is 1.89 inches with rain usually falling on 10 days. In September 1963 there was a total of 0.66 inches of rain, that fell on 10 days.